Home / 157,312,547.60-235,968,821.40-130,438,691.60

Finding the Fourth Proportional to 157,312,547.60, 235,968,821.40 and 130,438,691.60

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Solution

The fourth proportional to 157,312,547.60, 235,968,821.40 and 130,438,691.60 is: 195,658,037.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,312,547.60 : 235,968,821.40 = 130,438,691.60 : x
  2. Step 2: Convert to fraction form
    157,312,547.60/235,968,821.40 = 130,438,691.60/x
  3. Step 3: Cross multiply
    157,312,547.60x = 235,968,821.40 × 130,438,691.60
  4. Step 4: Simplify right side
    157,312,547.60x = 30,779,464,321,810,080
  5. Step 5: Solve for x
    x = 30,779,464,321,810,080/157,312,547.60
  6. Step 6: Final answer
    x = 195,658,037.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.